When confronted with a rival, male wooly mammoths experienced musth, a testosterone-driven episode of extreme aggression.

An upgraded model shows how the body's immune response can make tumor cells more resistant to chemotherapy.

“Crimes against children are truly awful, and all too common,” says Ann Ross. “It is important to be able to identify their remains..."

"Current experiments in the laboratory are evaluating how suture spacing inspired by hitchhiker plants affects rotator cuff repair strength."

An excavation has unearthed the earliest example of one particular type of brain surgery in the Ancient Near East.

People with obstructive sleep apnea may be at risk for low bone mineral density, which can weaken bones and teeth and is an indicator of osteoporosis.

A new blood test that identifies progression of osteoarthritis in the knee is more accurate than current methods.

Just one delivery of estrogen to a fracture can speed up healing in postmenopausal mice, researchers have discovered.

Researchers have charted the evolution of the leggy alterations that allowed dinosaurs and birds to stand on their own two feet.

Researchers sent experiments to the International Space Station in order to learn more about bone density loss in space and back on Earth.